baber/WOPTO huggingface dataset:
Patent KR-20030037212-A (KR)
Title: Image sensor having test mode testing circuit
Inventor: LEE WON HO
IPC: H04N5/378
Filed: 2001-11-03
Abstract: PURPOSE: An image sensor having a diagnosis mode test circuit is provided to improve failure analysis rate of the image sensor so as to increase yield. CONSTITUTION: An image sensor having a diagnosis mode test circuit includes a switching unit(800), a comparator(801), and a buffering unit(802). The switching unit selectively outputs a pixel output and an inspection signal for a diagnosis mode operation. The comparator compares the output signal of the switch with a reference voltage generated from a lamp voltage generator to output the output signal of the switch at the moment when the output signal of the switch accords with the reference voltage. The buffering unit stores the output of the comparator and outputs the stored data to an analog-digital converter. The diagnosis mode test circuit performs diagnosis C mode operation.
Patent KR-20030039155-A (KR)
Title: Charger for displaying electrification state of battery loaded on mobile phone
Inventor: KIM PIL HYEON
IPC: H02J7/00
Filed: 2001-11-12
Abstract: PURPOSE: A charger for displaying a battery charging state of a mobile communication terminal is provided to improve the marketability of a product by displaying a charging state of the battery being charged through the charger. CONSTITUTION: A battery(100) includes a cell(110) for charging and discharging power, a protecting circuit(120) for protecting the cell(110), and a counter(130) for counting amount of current inputted to the cell(110) and outputted from the cell(110). The protecting circuit(120) is connected between the cell(110) and the counter(130). The counter(130) is connected between the protecting circuit(120) and a power input/output terminal. The counter(130) counts amount of current inputted to the cell(110) and outputted from the cell(110) through the power input/output terminal to transmit the counted amount of current to a charger and a mobile communication terminal mounting the battery(100) through a communication terminal(111).
Patent KR-20030040890-A (KR)
Inventor: KIM BYEONG JIK
IPC: F04B17/04
Filed: 2001-11-16
Abstract: PURPOSE: An opposed type reciprocating compressor is provided to allow for ease of manufacture of compressor by eliminating the necessity of using a suction valve assembly and a discharge valve assembly. CONSTITUTION: An opposed type reciprocating compressor comprises a casing(110) where suction pipes(SP1,SP2) and a discharge pipe(DP) are communicated; the first reciprocating motor(121) and the second reciprocating motor(122) mounted within the casing, which reciprocate in an opposite direction; a cylinder(130) interposed between the first reciprocating motor and the second reciprocating motor, which has a through hole(131) formed in an axial direction; the first piston(141) coupled to a mover(121B) of the first reciprocating motor and accommodated into the through hole of the cylinder, which forms a compression space(S2) within the first piston; and the second piston(142) coupled to a mover(122B) of the second reciprocating motor and accommodated into the compression space of the first piston.
Patent KR-20030043456-A (KR)
Title: Tantalum condenser containing improved lead frame
Inventor: KIM JAE GWANG
IPC: H01G9/012
Filed: 2001-11-28
Abstract: PURPOSE: A tantalum condenser is provided to be capable of reducing its size by making a concave part formed at a center portion of a lead frame of the condenser. CONSTITUTION: A condenser element(5) uses a tantalum oxide as a dielectric. An anode wire(3) is projected from the condenser element and bending parts having flat upper and lower surfaces are formed at ends of the anode wire. One end of a cathode lead frame(114) is attached at a side of the condenser element, and the other end thereof is formed by a terminal mounted at a substrate. A concave part is formed at one end of an anode lead frame, and the other end of the anode lead frame is formed by a terminal mounted at the substrate. A molding part is configured to surround the condenser element, the anode and cathode lead frames, and the anode wire is welded to a portion where the concave part is overlapped with one end of the anode wire.
Patent KR-20010113031-A (KR)
Title: 표시 장치
Inventor: LEE JONG HAN
IPC: G08G1/095
Filed: 2001-12-04
Abstract: 본 발명은 교차로나 건널목 등에 설치되는 교통 신호등과 같은 표시 장치의 신호를 태양빛의 반사가 심한 낮이나 밤에 관계없이 항상 명확하게 식별할 수 있도록 한 표시 장치에 관한 것이다. 
     상기한 목적을 달성하기 위한 본 발명은 본체(10)의 내부에 설치되며 각각의 해당 신호색의 빛을 발광하며 해당 신호의 온 및 오프에 연동하여 작동하는 전구(25)가 중앙에 구비되는 각각의 반사판(20)과; 상기 각각의 반사판(20) 전방에 설치되며 각각의 해당 신호 색상과 동일한 색상이 도포되어 외주면에 일정 간격으로 복수 개의 통공(32)과 함께 날개편(34)이 절결된 반투명의 가동판(30)과; 상기 가동판(30)의 전방에 가동판(30)과 동일축상에 설치되며 외주면에 일정 간격으로 복수 개의 통공(42)과 함께 상기 날개편(34)과 상호 중첩 및 이격되는 날개편(44)이 대응되어 형성되는 반투명의 백색으로 된 전구커버(40)와; 상기 전구커버(40)의 일측에 일단이 결합되는 작동레버(50)와; 상기 작동레버(50)의 타단과 플런저(62)가 연결되어 해당 신호의 신호가 온 및 오프시 상기 가동판(30)의 날개편(34)과 전구커버(40)의 날개편(44)을 중첩 및 이격시키기 위해 작동하는 솔레노이드 밸브(60);로 구성된다. 
     따라서, 교차로나 건널목 등에 설치되는 교통 신호등과 같은 표시 장치의 신호를 태양빛의 반사가 심해 선팬텀 현상이 발생하는 낮이나 밤에 관계없이 항상 명확하게 식별할 수 있도록 제어할 수 있으므로써 운전자의 안전 운전을 유도함과 아울러, 교통 사고의 발생 우려를 사전에 예방할 수 있게 된다.
Patent KR-20030045552-A (KR)
Title: Vane supporting device for enclosed compressor
Inventor: CHO HYEONG JU
IPC: F04C29/00
Filed: 2001-12-04
Abstract: PURPOSE: A vane supporting device for a hermetic compressor is provided to reduce the axial length of the compressor and prevent abrasion of the contact portion between the vane and the torsion coil spring. CONSTITUTION: A vane supporting device comprises a rotating shaft coupled with a rotor of a motor unit; a divider plate coupled with the rotating shaft in a cylinder so as to divide the internal space of the cylinder into a plurality of closed sections; a plurality of vanes(11,12) contacting both surfaces of the divider plate, which convert the closed sections of the cylinder into a suction area and a compression area during the rotation of the rotating shaft; torsion coil springs(21,22) having ends contacting the cylinder, the other ends contacting the curved portions of each vane, and intermediate portions with coil portions(21a,22a) for elastically supporting each vane; and supporting members(31,32) for fixing the torsion coil springs to the cylinder.
Patent KR-20030049453-A (KR)
Title: Apparatus for Time Alignment in IWU of MSC
Inventor: CHO SEONG JIN
IPC: H04L12/28
Filed: 2001-12-15
Abstract: PURPOSE: A time alignment system in an IWU(Inter-Working Unit) of an MSC(Mobile Switching Center) is provided to implement a time alignment function of packet voice data in an AMR(Adaptive Multi-Rate CODEC) vocoder unit, so as to control transmission timing of transcoded packet voice data transmitted by the AMR vocoder unit if tone quality in voice traffic is deteriorated due to a data loss by buffer delay. CONSTITUTION: In a vocoder unit, a control block(31) controls traffic stream for an DSP(Digital Signal Processor) and a channel occupied after receiving call control information of a higher MP(Main Processor), and receives transmission time alignment request information from the higher MP to transmit a control signal. A reference block(32) receives a frame signal or a clock signal from a traffic pool unit or an ATM(Asynchronous Transfer Mode) interface unit under the control of the control block(31) to provide a synchronous signal. A DSP block(33) transcodes PCM(Pulse Code Modulation) data for the DSP and the channel occupied by the control of the control block(31) to packet data, and transcodes corresponding packet data to PCM data. A time alignment block(34) including a dual-port memory delays valid packet data transcoded by the DSP block(33) during a timing delay time for transmission, and then outputs the delayed packet data. And a multiplexer block(35) selects not-delayed packet data or delayed packet data supplied from the time alignment block(34) under the control of the control block(31) to transmit the selected packet data to the ATM interface unit.
Patent KR-20030049552-A (KR)
Title: Information transmission method using preamble signal for OFDM-based wireless LAN system and a receiver corresponding to the method
Inventor: KIM JEONG
IPC: H04J11/00
Filed: 2001-12-15
Abstract: PURPOSE: A method for transmitting information by using a preamble signal in an OFDM(Orthogonal Frequency Division Multiplexing) wireless LAN(Local Area Network) and a device for receiving the information, are provided to transmit optional information through the preamble signal, and to allow a demodulator of a receiving party to extract the transmitted information. CONSTITUTION: Symbols of t1-t10, T1 and T2 for an OFDM preamble signal are generated(S201). A negative code is added to two symbols of T1 and T2 selected among the generated symbols, to generate new type symbols of -T1 and -T2(S202). The generated four symbols, that are T1, T2, -T1 and -T2, are combined to generate 4 types information, wherein the first information is T1 and T2, the second information is T1 and -T2, the third information is -T1 and T2 and the fourth information is -T1 and -T2(S203). And one of the generated 4 types information is selected and loaded on the preamble signal then transmitted(S204).
Patent KR-20030050146-A (KR)
Title: Method and apparatus for recording data on an optical recording medium
Inventor: AHN YONG JIN
IPC: G11B7/004
Filed: 2001-12-18
Abstract: PURPOSE: A method for recording data at an optical recording medium and an apparatus thereof are provided to record the data by using a recording waveform restricting distortion of a mark shape due to thermal interference and thermal accumulation while improving the mark shape, thereby improving recording/playback characteristics. CONSTITUTION: A recorder receives data from the outside for modulating the received data to generate NRZI(Non Return to Zero Inverted) data. A recording waveform having erasing patterns including multi-pulse is generated. A first level of the NRZI data is formed as marks and a second level of the NRZI data is formed as spaces by using the generated recording waveform.
Patent KR-20030053555-A (KR)
Title: method for fabricating flash memory cell
Inventor: KIM HYEON YONG
IPC: H01L27/115
Filed: 2001-12-22
Abstract: PURPOSE: A method for forming a flash memory cell is provided to be capable of forming a dielectric film having uniform thickness on a floating gate. CONSTITUTION: A floating gate(204) made of a doped polysilicon layer is formed on a semiconductor substrate(200). By tilt-implanting of nitrogen or argon ions into the floating gate(204), the surface of the polysilicon layer is changed to amorphous silicon layer(206). Then, a dielectric film and a control gate are sequentially formed on the entire surface of the resultant structure. At the time, the tilt angle in the ion-implantation processing is about 45 degree.
Patent KR-20030053924-A (KR)
Title: Apparatus and method for controlling power consumption in mobile phone
Inventor: LEE JUN NO
IPC: H04B1/38
Filed: 2001-12-24
Abstract: PURPOSE: A power saving control apparatus for a mobile communication terminal and a method therefor are provided to turn off a backlight when a speaker portion of the mobile communication terminal is contacted to the body of a user in a state in which the backlight is turned on. CONSTITUTION: A body contact sensing switch(110) senses the contact of the body of a user. A backlight(120) emits a light for shining on a keypad and an LCD of a mobile communication terminal. A control unit(130) turns off the backlight(120) when the contact of the body of the user is sensed by the body contact sensing switch(110) in a state in which the backlight(120) is turned on.
Patent KR-20030054277-A (KR)
Title: Ladle for clean cast
Inventor: KIM HUI SU
IPC: B22D11/10
Filed: 2001-12-24
Abstract: PURPOSE: A dam type ladle which minimizes oxidation due to oxygen in the atmosphere, and to which a bubbling unit for floating nonmetallic inclusions is attached is provided. CONSTITUTION: As a ladle that is a container used to inject molten metal into mold(2) by receiving molten metal(1) in foundry, the ladle for manufacturing high cleanliness casting product comprises a sealing cover(3) comprising pipes which are installed in opened upper part of the main body to prevent formation of oxides by blocking injected molten metal(1) from the atmosphere, and on the inner circumferential surface of which a plurality of ejection holes are formed to eject inert gas for sealing the circumference of the ladle, and a pipe(5) for directly supplying an inert gas onto the surface of the molten metal(1); a porous plug(11) installed on the lower bottom of the main body to float nonmetallic inclusions by generating inert gas bubbles(10) into the molten metal; a dam(9) installed at the side of tap hole of the main body to guide tapping of cleaned molten metal in the lower part of the ladle in the sealing and bubbling completed molten metal(1); and a stopper(7) installed in the tap hole so that the stopper is put into the tap hole during sealing and taken out of the tap hole during tapping, wherein the ladle further comprises a clip(8) used to increase cohesive force therebetween when sealing the sealing cover(3) onto the main body.
Patent KR-20030056443-A (KR)
Title: Mobile communication terminal having extension liquid-crystal display
Inventor: CHOI CHAM A
IPC: H04B1/38
Filed: 2001-12-28
Abstract: PURPOSE: A mobile communication terminal having an expansion LCD is provided to simultaneously use two main LCDs by doubly composing the first LCD and the second LCD in an upper folder and moving one LCD between two LCDs. CONSTITUTION: An LCD installation portion(110) is composed in an internal side of an upper folder(100). The LCD installing portion(110) has a guide groove(112) which is formed as a concave shape in which an aperture portion is formed at its one side, is formed in a length direction of both sides at the both sides which are not opposite with the aperture portion, and has a downward guide groove having a downward slant at one end of a direction in which the aperture portion is located. The upper folder(100) has the first LCD(120) and the second LCD(130) which are overlapped in the LCD installation portion(110). The first LCD(120) has a combination asperity formed as a convex shape to be capable of being inserted into the guide groove(112), at an opposite direction end of the aperture portion. The installation position of the second LCD(130) is fixed.
Patent KR-20010099591-A (KR)
IPC: H01L21/66
Filed: 1999-07-12
Abstract: 플라즈마 광방출을 발생시키는 프로세스에서 기판(11)은 진공밀폐부(9) 내에서 에칭 된다.  이 프로세스는 방사된 빛을 윈도우(12), 박막 협대역 필터(13) 및 "파브리-패로" 에탈론(14)을 통해 디텍터(15)로 통과시킴으로써 모니터링 된다.  디텍터(15)로부터의 출력신호는 형상 인식 기술에 의해 분석되어 프로세스 과정을 측정한다.  형상 인식은, 디지털 필터 및 이론적인 분석 또는 보정 실행으로부터 얻어진 데이터와의 비교를 이용하는 것이 바람직하다.
Patent KR-20010072076-A (KR)
Title: 통신 시스템에서 데이터 패킷을 전달하기 위한 방법 및 장치
IPC: H04L12/56
Filed: 1999-06-25
Abstract: 통신 장치(106)는 제1 전송 시점에서 또는 제1 전송 기간 동안 데이터 패킷을 데이터 제어기(116)로 전송한다.  데이터 제어기는 수신통보할 데이터 패킷의 최초 전송 시점 또는 전송 기간을 결정하고, 최초 전송 시점 또는 전송 기간 후에 전송되는 데이터 패킷에 대해서만 수신통보할 것이라는 표시를 전송한다.  통신 장치는 이때 데이터 제어기가 최초 전송 시점 또는 전송 기간 후에 전송되는 데이터 패킷에 대해서만 수신통보할 것임을 표시하는 지의 여부를 판단한다.  데이터 제어기가 최초 전송 시점 또는 전송 기간 후에 전송되는 데이터 패킷에 대해서만 수신통보할 것임을 나타내는 경우, 통신 장치는 데이터 패킷의 적어도 일부분을 재전송하는 것에 의해 타이머없이 에러 복구를 수행한다.
Patent KR-20010111087-A (KR)
IPC: G06F17/21
Filed: 2000-06-01
Abstract: 문서 배달 시템(10)은 다수의 컨텐츠 객체의 데이터 저장부와 가상 편집기(506)를 수신하는 데이터 스토어를 포함하여 요구 사용자에 대한 개인 출판물을 동적으로 생성한다. 가상 편집기는 하나 이상의 수신된 컨텐츠 객체를 선택적으로 검색하여, 적어도 부분적으로 요구 사용자와 연관된 액세스 개인 프로파일에 근거하여, 사용자 요구에 대한 하나의 개인 출판물을 구성한다.
Patent KR-20010082258-A (KR)
Title: Device for lubricating a rolling bearing
IPC: F16N11/08
Filed: 2000-10-02
Abstract: A device for lubricating a rolling bearing. The inventive device comprises a lubricant dispenser (1) connected to the lubricating point of the rolling bearing (7) and a measuring unit (8) allocated to the rolling bearing (7) for detecting the condition of the bearing. The lubricant dispenser (1) comprises a lubricant container with a supply of lubricant (2), a discharge device with an electromotor drive (3) and a control device (4) lined with the measuring device (8). The control device (4) of the lubricant dispenser (1) emits control signals to the electromotor drive (3) at certain intervals prompting it to discharge small amounts of lubricant and changes the discharge times and/or the duration of the discharge intervals if the measuring signal emitted by the measuring unit (8) exceeds a defined value. In this case, a signal for displaying an incipient bearing defect is also emitted.
Patent KR-20010102967-A (KR)
IPC: C09J7/10
Filed: 1999-11-08
Abstract: 본 발명은 유기 용매 및 이무수물 또는 디아민 단량체의 0.5 내지 30mol%가 실록산 함유 단량체인 완전히 이미드화된 폴리아미드이미드실록산을 포함하는 고온 용융 접착제의 용액에 관한 것이다.  디아민 단량체의 50mol% 이하는 실록산 그룹 및 아미드 결합을 둘다 함유하지 않는 지방족 디아민이고, 디아민 단량체의 40 내지 99mol%는 실록산 그룹을 함유하지 않는 방향족 디아민이다.  방향족 디아민은 2개 이상의 방향족 환 및 상이한 방향족 환상에 2개 이상의 아민 그룹을 함유하며 쇄내에 아미드 결합을 함유하는 비대칭 방향족 디아민 20 내지 100mol%(1) 및 실록산 그룹 및 아미드 결합을 둘다 함유하지 않는 방향족 디아민 50mol% 이하(2)이다.  테이프는 당해 용액으로부터 제조될 수 있고, 제품은 테이프를 기판 또는 제품에 부착시킴으로써, 기판에 접착시킬 수 있다.
Patent KR-20020004949-A (KR)
IPC: C03B19/14
Filed: 2000-02-07
Abstract: 본 발명은 190㎚ 미만의 VUV 파장 영역에서 포토리소그래피 적용을 위한 포토마스크 기판용으로 적합한 고순도 실리콘 옥시플로라이드 유리에 관한 것이다. 본 발명에 따른 실리콘 옥시플로라이드 유리는 약 157㎚의 파장에서 투과되며, 특히 157㎚ 파장 영역에서 포토마스크 기판으로서 유용하다. 본 발명에 따른 포토마스크 기판은 일반적으로 고순도 용융 실리카에 관련된 우수한 열적 및 물리적 특성을 유지하면서 진공 자외선(VUV) 파장 영역에서 매우 높은 투과도를 나타내는 "건조한" 실리콘 옥시플로라이드 유리이다. 157㎚에서 포토마스크 기판용으로 적합한 본 발명에 따른 실리콘 옥시플로라이드 유리는 플로린을 함유하고, OH 함량이 낮거나 없을 뿐만 아니라 또한 1×19 17 분자/㎤ 미만의 수소분자 및 낮은 클로린 함량을 가져 특성화된다.
Patent KR-20020038569-A (KR)
IPC: H03H7/38
Filed: 2000-02-08
Abstract: 본 발명은 1단 고역 통과 필터 정합기(28)와 1단 저역 통과 필터 정합기(29)를 직렬로 접속하여, 단간 정합 회로(26)를 구성한다.
Patent KR-20020011386-A (KR)
Title: 전기 전도도 측정 장치
IPC: G01N27/04
Filed: 2001-02-13
Abstract: 피측정 물질에 접하는 3개의 전극을 갖고, 상기 3개의 전극이 피측정 물질의 전기 전도도 검출용 전극과, 상기 전기 전도도 검출용 전극의 양측에 각각 간격을 두고 배치된 2개의 교류 전류 공급용 전극으로 이루어지고, 상기 2개의 교류 전류 공급용 전극에 동상의 교류 전류가 공급되어 있는 전기 전도도 측정 장치.  이 전기 전도도 측정 장치에 따르면, 피측정 물질의 전기 전도도를 변동이 없는 상태에서 안정되고 고정밀도로 측정할 수 있다.
Patent KR-20020015688-A (KR)
Title: AD-HOC radio communication system
IPC: H04W92/02
Filed: 2001-02-20
Abstract: In an ad-hoc radio communication system comprising a plurality of stations ( 100 ) formed into at least one network ( 102 a, 102 b), each station ( 100 ) is assigned a rank representative of its suitability for performing the role of master station in a network ( 102 a). The rank may for example be assessed depending on the performance of the station's antenna ( 204 ) or its access to mains power. It is arranged that the station ( 100 ) having the highest rank in a network ( 102 a, 102 b) performs the role of master for that network, thereby improving the efficiency of communication in the network.
Patent KR-20020021388-A (KR)
Title: Hose
IPC: B29C48/13
Filed: 2000-06-06
Abstract: The present invention relates to a medium-carrying hose, preferably for pressure medium and for use in, for instance, an engine unit, the wall of the hose comprising at least one wall portion (5). The wall portion (5) is connected with at least one expansion portion (4) to form a continuous hose casing, so that the circumference of the hose is variable between a minimum value, when the expansion portion (4) is unexpanded, and a maximum value, when the expansion portion (4) is maximally expanded. The expansion portion (4) extends in the transverse and the longitudinal direction of the hose, the wall portions (5) being displaced relative to each other both in the transverse and in the longitudinal direction of the hose as the circumference increases and the expansion portion (4) expands. The invention also relates to a method for manufacturing such a hose.
Patent KR-20030059719-A (KR)
Inventor: CHUNG SUNG HYUN
IPC: A61K36/75
Filed: 2002-01-04
Abstract: PURPOSE: A composition containing as an effective ingredient a herbal extract of Sungisan(prescribed according to the representative oriental medical publications of "Dong-I Bogam") is provided. The composition displays little hepatotoxicity while inhibiting weight gain and reducing blood sugar levels and can be used as a drug and a health supplementary food for prevention and treatment of diabetes and complications associated with diabetes. CONSTITUTION: A pharmaceutical composition contains 0.5 to 50% by weight of Sungisan(prescribed according to the representative oriental medical publications of "Dong-I Bogam") and a pharmaceutically acceptable carrier, based on the total weight of the composition. The Sungisan contains a mixed extract of Magnoliae Cortex, Rhei Rhizoma and Ponciri Fructus in a ratio of 1 to 10:1 to 10:1 to 10. The composition inhibits the increase of blood sugar levels, reduces the decrease of total cholesterol and LDL-cholesterol levels and exhibits excellent antidiabetic activity. The complications associated with diabetes are caused by increase of neutral lipid, cholesterol and high-density lipid.
Patent KR-20030061106-A (KR)
Inventor: EO GI HAN
IPC: G02F1/1335
Filed: 2002-01-10
Abstract: PURPOSE: A liquid crystal display is provided to increase the brightness and reduce the thickness by forming electro-luminescence area and liquid crystal area in one pixel area. CONSTITUTION: A first substrate has a plurality of pixel areas for displaying an image. A second substrate faces the first substrate. Electro-luminescence and liquid crystal areas are formed at the pixel areas respectively between the first substrate and the second substrate. The plurality of pixel areas are formed by crossing a plurality of gate lines(22) and a plurality of data lines(62). Switching elements and a pixel electrode(82) are formed at the plurality of pixel areas respectively to be electrically connected with the gate lines and the data lines. Black matrices(BM) formed on the second substrate are piled on the plurality of gate lines and the plurality of data lines. A plurality of red, green, and blue color filters(CF) are formed on the second substrate corresponding to the pixel areas respectively. A common electrode(120) and an electrode for electro-luminescence(122) are formed on the black matrices and the plurality of color filters.
Patent KR-20030062006-A (KR)
Title: Printer capable of printing beaner-sheet included user name and job name of text data
Inventor: YANG BONG JIK
IPC: G06F3/12
Filed: 2002-01-15
Abstract: PURPOSE: A printer for outputting a banner sheet including a worker name and a work name of the document data is provided to reduce the waste of printing paper and toner caused by printing all banner sheets regardless of the sameness of the worker name and the work name for each document data. CONSTITUTION: An interface part(21) receives the document data, and the worker name data and the work name data of the document data by connecting to an external editing device. An output part(24) outputs the banner sheet including the worker name and the work name, and the document data. A detection part(26) detects that the worker name data and the work name data received through the interface part(21) are same as the worker name data and the work name data of the document data previously output by the output part(24). A control part(22) controls the output part(24) in order not to output the banner sheet of the present document data if the worker name data and the work name data are same as the previously output document data.